When to go · San Diego, United States
Best Time to Visit San Diego
Aim for December, February and January: that's when San Diego's weather is at its best. The full month-by-month picture is below.
Go now
December, February, January
Comfortable and drier
Shoulder
March, November, October
Fewer crowds, a trade-off
Think twice
April, August
Hottest is August (36°C)
San Diego weather, month by month
| Month | High | Low | Rain | Feel |
|---|---|---|---|---|
| JanBEST | 21°C / 70°F | 10°C / 50°F | 32mm | mild, mostly dry |
| FebBEST | 21°C / 70°F | 9°C / 48°F | 23mm | mild, mostly dry |
| Mar | 27°C / 81°F | 15°C / 59°F | 33mm | warm, mostly dry |
| Apr | 29°C / 84°F | 19°C / 66°F | 126mm | hot, wet |
| May | 31°C / 88°F | 22°C / 72°F | 118mm | hot, some rain |
| Jun | 35°C / 95°F | 24°C / 75°F | 43mm | very hot, mostly dry |
| Jul | 35°C / 95°F | 25°C / 77°F | 78mm | very hot, some rain |
| Aug | 36°C / 97°F | 25°C / 77°F | 101mm | very hot, some rain |
| Sep | 34°C / 93°F | 24°C / 75°F | 49mm | very hot, mostly dry |
| Oct | 29°C / 84°F | 20°C / 68°F | 55mm | hot, mostly dry |
| Nov | 23°C / 73°F | 14°C / 57°F | 68mm | warm, some rain |
| DecBEST | 23°C / 73°F | 13°C / 55°F | 19mm | warm, mostly dry |
Averages from Open-Meteo ERA5 climate reanalysis, 2019 to 2023. Highs and lows are daily averages for each month; rain is the monthly total. Tap a month for a detailed guide.
Want the timing decided for you? A Local Friend in San Diego plans around the seasons for you.